1. Use of GIS in the USGS World Petroleum Assessment 2000 Debra K
Use of GIS in the USGS World Petroleum Assessment Debra K. Higley and Feliks Persits
U.S. Department of the Interior
U.S. Geological Survey

2. USGS WORLD ENERGY PROJECT
5 YEAR PROJECT
EXTENSIVELY REVIEWED
ASSESS RECOVERABLE UNDISCOVERED CONVENTIONAL OIL AND GAS RESOURCES OF PROVINCES ACROSS THE WORLD
30 YEAR TIME FRAME ( )
GEOLOGICAL/GEOCHEMICAL BASED ASSESSMENT
ALLOCATION TO COUNTRIES, PROVINCES, ONSHORE / OFFSHORE, OPEC, OECD, OTHER
RESERVE (FIELD) GROWTH ESTIMATES (30 Year Forecast)
ALL INFORMATION IS DIGITAL

11. Summary
Estimates of Undiscovered Petroleum (excluding U.S.) are up (+5% overall; oil +20.5%, gas –14.1%, NGL +130%) relative to 1994 USGS estimates
is significant (612 BB Oil, 3,305 TCF Gas or 551 BBOE at mean). Even so… 75% of our oil and 66% of our gas endowment is known
OPEC undiscovered largely onshore, OECD and others largely offshore and undiscovered resources less concentrated in OPEC compared to previous estimates
U.S. Reserves—surprising ~12% of world endowment
Reserve Growth